CVE-2021-1965 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

Critical 9.8 Published 13 Jul 2021 Updated 3 Aug 2024

A buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via crafted MBSSID scan information elements.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-1965?

CVE-2021-1965 is a critical memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 13 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-20, CWE-120

Which versions are affected by CVE-2021-1965?

It affects 126 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Ipq4018 Firmware, Qualcomm Ipq4019 Firmware, Qualcomm Ipq4028 Firmware and 120 more.

How do I fix CVE-2021-1965?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-1965 being exploited?

There is no known exploitation of CVE-2021-1965 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as 2867353, A-184561775, ASB-A-184561775, GHSA-r53h-pr5r-8436.